[JS] 객체 배열 정렬

const commentCountList = [
  { postId: 1, commentCount: '5' },
  { postId: 2, commentCount: '1' },
  { postId: 3, commentCount: '1' },
  { postId: 4, commentCount: '3' },
  { postId: 5, commentCount: '1' },
  { postId: 6, commentCount: '4' }
]

const result = commentCountList
        .sort((target1, target2) => {
          return target1.commentCount > target2.commentCount
            ? -1
            : target1.commentCount < target2.commentCount
            ? 1
            : 0;
        });
        
// result
[
  { postId: 1, commentCount: '5' },
  { postId: 6, commentCount: '4' },
  { postId: 4, commentCount: '3' },
  { postId: 2, commentCount: '1' },
  { postId: 3, commentCount: '1' }
]